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Differences What are the advantages of each

Front view of GeForce 945M

Reasons to consider the
Nvidia GeForce 945M

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Better floating-point performance 1,317.1 GFLOPS vs 823.3 GFLOPS Around 60% better floating-point performance
Higher pixel rate 16.46 GPixel/s vs 8.58 GPixel/s More than 90% higher pixel rate
Higher texture rate 41.2 GTexel/s vs 25.73 GTexel/s More than 60% higher texture rate
More render output processors 16 vs 8 Twice as many render output processors
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
More shading units 640 vs 384 256 more shading units
More texture mapping units 40 vs 24 16 more texture mapping units
Front view of GeForce 945A

Reasons to consider the
Nvidia GeForce 945A

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Higher turbo clock speed 1,176 MHz vs 1,085 MHz Around 10% higher turbo clock speed
Lower TDP 33W vs 75W 2.3x lower TDP

Benchmarks Real world tests of GeForce 945M vs 945A

Bitcoin mining Data courtesy CompuBench

GeForce 945M
107.09 mHash/s
GeForce 945A
107.63 mHash/s

Face detection Data courtesy CompuBench

GeForce 945M
28.63 mPixels/s
GeForce 945A
28.87 mPixels/s

Ocean surface simulation Data courtesy CompuBench

GeForce 945M
380.46 frames/s
GeForce 945A
381.9 frames/s

Particle simulation Data courtesy CompuBench

GeForce 945M
302.61 mInteraction/s
GeForce 945A
316.59 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

GeForce 945M
1.99 frames/s
GeForce 945A
2.01 frames/s

Video composition Data courtesy CompuBench

GeForce 945M
31.03 frames/s
GeForce 945A
30.79 frames/s

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